A document, six years late
The Department of War released a 116-page file from Sandia Base on 22 May 2026. The file is identified in the PURSUE catalogue as DOW-UAP-D017 and described in the release summary as “general correspondence of Sandia, 1948 to 1950.” The earliest item in it is a 7 April 1949 security inspection letter from Headquarters Detachment D, 1100th USAF Special Reporting Group at Campbell Air Force Base, addressed to the Commanding General of Sandia Base. The file contains the cover letter dated 10 August 1949 from a Sandia scientist transmitting two copies of the Crozier and Seely report on airborne particle collections taken at nine locations over the previous two days. The Crozier and Seely report describes the impactment equipment, the adhesive-coated collection plates, and the chemical tests used to identify copper, cobalt, and nickel in the particles recovered from sites where green fireballs had been reported. The investigators recovered three particles in the 26 July 1949 collection that gave very strong cobalt indications, each apparently a perfect twelve-micron sphere. A B-25 from Kirtland Field that attempted to intercept material from the 6 August 1949 fireball reached 23,000 feet and recovered copper-bearing particles attributed to surface origin.
The cover letter on the Crozier and Seely report is addressed to one person: Dr. Lincoln La Paz, Director of the Institute of Meteoritics at the University of New Mexico.
The Sandia file documents more than 209 reports of green orbs, discs, and fireballs observed in the Albuquerque area between 1948 and 1950. Witnesses included Air Force officers, scientists at Sandia, Los Alamos, Kirtland Air Force Base, the Manzano Mountains weapons storage facility, the White Sands Proving Ground, and Walker Air Force Base at Roswell, and police across northern New Mexico. The investigator the Air Force contracted to assess the phenomenon was Lincoln La Paz, a civilian meteoriticist whose published authority on the natural classification of meteors was strong enough that his determination that the green fireballs were not meteoritic could not be readily dismissed.
La Paz personally observed two of the green fireballs in 1948 and 1949. He concluded, on the basis of trajectory, silence, uniform colour, and concentration over sensitive defence installations, that the objects were artificial and intelligently controlled. The Air Force established Project Twinkle at Holloman in 1950 specifically to instrument the phenomenon. Project Twinkle ran from 1950 to 1951 under AFOAT-1 and the Geophysical Research Directorate at Cambridge. It detected nothing instrumentally. The fireballs were not seen with the same frequency after 1951. The official record of La Paz’s role disappeared into classified file series for the next seventy-six years.
A civilian record of the same months
While the Air Force was contracting La Paz to examine particles from sites where green fireballs had landed, a separate documentary trail was being produced by civilians working outside the security perimeter, often within fifteen miles of the same New Mexico events. Four publications in the NHI Archive carry the parallel civilian record across the period 1948 to 1954.
The earliest is Meade Layne’s Round Robin, the Borderland Sciences Research Associates bulletin published from San Diego. Layne had been mailing the bulletin to twenty correspondents on psychic research topics since February 1945. By August 1948 it was carrying the Mark Probert seance excerpts that introduced “Sky Phenomena via the Rajah Natcha Discourses” to its readership. By the September 1948 issue it was running a standing “Disc Data” section. In May 1949, while the Crozier and Seely report was being transmitted to La Paz at Albuquerque, Round Robin Volume 5 Number 3 carried Layne’s “Memorandum Concerning the Flying Discs,” the first formal statement of the BSRA ether-ship interpretation of the wave. Three issues later, in August 1949, Volume 5 Number 5 led with an article titled “Etheria Calling” that codified the framework. The military investigation was treating the green fireballs as a physical-classification problem solvable with adhesive collection plates and atomic-emission spectroscopy. Round Robin was treating them as evidence of inter-planar projection by intelligences operating in what Layne called etheria. The phenomena being observed were the same. The interpretive frameworks could not have been more different.
By 1952 the documentary stream had widened. Civilian Saucer Investigation of Los Angeles published the first issue of its CSI Quarterly in the autumn of that year. The first issue records that the organisation maintained “an evaluation board of scientific and aeronautical experts headed by Dr. Walther Riedel, the international rocket authority who had directed” propulsion development for the V-2 rocket programme at Peenemünde. Riedel had been brought to the United States under Operation Paperclip and joined von Braun’s team at Fort Bliss before moving to North American Aviation. The same issue reports that CSI’s records show “numerous sightings of green fireballs dating back into the early 1930s,” predating the publicly acknowledged 1947 beginning of the saucer era and aligning with the historical pattern that La Paz had been documenting in his classified Sandia correspondence three years earlier.
In January 1953, six days after the Robertson Panel concluded its proceedings in Washington, Coral Lorenzen published the editorial that would govern the APRO Bulletin for the next thirty-six years. The Aerial Phenomena Research Organization had been founded in Sturgeon Bay, Wisconsin in January 1952 by Jim and Coral Lorenzen. The opening editorial of v1 n4, dated 25 January 1953, set out the methodological frame in language that reads as a direct civilian counterpart to the framework La Paz had developed in his Sandia investigation. The objects “have been around for centuries.” They “seem to be around in the greatest numbers following the Explosion of An Atomic bomb.” They have “no set shape, color, limitation of speed or maneuverability.” Lorenzen does not cite La Paz. She does not have access to his correspondence. She is working entirely from civilian witness reports and the open press. The framework she arrives at independently matches the one La Paz was developing inside the security perimeter.
The Hynek meeting
The 15 July 1953 issue of the APRO Bulletin records a meeting between Coral and Jim Lorenzen and two representatives of the Wright-Patterson Air Intelligence Command, held in Milwaukee on 12 June 1953. The meeting was arranged by Edward Halbach, Director of the Milwaukee Astronomical Society, via Dorothy Madlo of the Milwaukee Sentinel. The Wright-Patterson party included an unnamed active-duty intelligence officer and, in the Bulletin’s exact wording, “a Professor Hynek (J. Allen) of the Ohio State University, AstroPhysicist.” The meeting predates Hynek’s public turn from Air Force consultant to UFO investigator by six years. He is here described as an astrophysicist consultant attached to Wright-Patterson, accompanying an active-duty intelligence officer to meet civilian researchers in a midwestern city.
La Paz had been doing the same thing in New Mexico under different reporting lines five years earlier. The pattern of an academically credentialed civilian scientist working with active-duty intelligence officers on the UFO question is the institutional shape that emerged from the green-fireball investigation. By 1953 it was operating in two states.
White Sands, 1954
The newest documentary trail in this archive’s holding is Leonard H. Stringfield’s Orbit, the newsletter of Civilian Research, Interplanetary Flying Objects (CRIFO), published from Cincinnati. The inaugural issue, Volume 1 Number 1, is dated 7 April 1954. Its seven feature pieces include one specifically titled “WATCH RED PLANET MARS,” prompted by the upcoming Mars apparition in July 1954. The piece reports, in Stringfield’s news-roundup style, that “in White Sands, New Mexico, teams of scientists are presently being schooled on UFO identification and the use of special instrumentation to track the objects.” It then names the scientists running the project: “This project is headed by astronomer Dr. Clyde Tombaugh, the discoverer of the planet Pluto, and Dr. Lincoln La Paz, famous authority in the study of meteoritics.”
This is the same Lincoln La Paz. Six years after the Crozier and Seely report came back to him at Albuquerque, and three years after Project Twinkle wound down, he is back at a New Mexico defence installation, this time White Sands, this time working with Clyde Tombaugh, and this time being publicly reported on by a civilian newsletter that nobody connected to the still-classified 1948 to 1950 Sandia correspondence would have seen.
"By July, 1954, Mars will swing to within forty million miles of the Earth. The Air Force, not overlooking Mars as the possible source of saucers is getting geared for the event. Some authorities believe that Mars' proximity will produce a new rash of sightings, perhaps even surpassing the saucer circus of July, 1952, when, according to Don Keyhoe, the Air Force was prepared for an invasion. One indication of official concern is in White Sands, New Mexico where teams of scientists are presently being schooled on UFO identification and the use of special instrumentation to track the objects. This project is headed by astronomer, Dr. Clyde Tombaugh, the discoverer of the planet, Pluto, and Dr. Lincoln La Paz, famous authority in the study of meteoritics."
The 1954 White Sands project is documented nowhere else in the archive’s current government-records holdings. The closest analogue, the Robertson Panel report and its annexes, is from January 1953 and does not name La Paz operationally. Project Blue Book records of 1954 cover the 1952 wave’s aftermath but do not document this specific instrumentation programme. Stringfield’s source is unnamed. What is documented is that an Air Force project at White Sands was visible enough to civilian researchers in Cincinnati that Stringfield could lead his inaugural issue with it.
The thread
Read across the four civilian publications, the pattern is consistent. Round Robin documents the editorial-religious response to the green-fireball wave from the West Coast in real time. CSI Quarterly documents the technical-aeronautical response from Los Angeles, with a Paperclip rocket engineer at the head of its evaluation board. The APRO Bulletin documents the methodical case-investigation response from Wisconsin, with a documented direct meeting with the Wright-Patterson representative who would shape the public response a decade later. Orbit documents the institutional response from Cincinnati to a project running at White Sands in 1954.
La Paz appears, by name and by role, in all four civilian publications across the period. He is the only investigator who can be placed in the classified record (PURSUE DOW-UAP-D017), the contemporary occult-research record (Round Robin via the green-fireball historical correlation), the technical-evaluation record (the Tombaugh-La Paz White Sands project reported by Orbit), and by indirect editorial parallel in the founding APRO Bulletin (Coral Lorenzen’s atomic-correlation framework). The civilian publications mention each other rarely. They mention La Paz as a common reference point repeatedly.
Government record: PURSUE Release 02, document DOW-UAP-D017 (1948 to 1950 Sandia Base correspondence). Civilian record: Round Robin v3 to v6 (1947 to 1950, BSRA), CSI Quarterly Fall 1952 (CSI Los Angeles), APRO Bulletin v1 to v3 (1953 to 1954, Lorenzens), and Orbit Volume 1 Number 1 (7 April 1954, Stringfield).
What we still do not know
The May 2026 PURSUE release brought 116 pages of the Sandia file into public view. La Paz’s own correspondence with the Air Force, with the Office of Atmospheric Tests, with Sandia security, with the Kirtland field office, and with the Los Alamos personnel who participated in the green-fireball investigation has not been released as part of this tranche. The University of New Mexico holds the La Paz papers, with some restrictions on access. Whether his correspondence with Tombaugh on the 1954 White Sands project survives is not known to this archive at the time of writing.
The other open question is whether La Paz ever corresponded with Walther Riedel of CSI Los Angeles. Riedel’s V-2 work at Peenemünde was on the same German rocket programme that produced the engineers who would later run the US guided-missile testing at White Sands, where La Paz would conduct the 1954 UFO identification project. The geographical and institutional overlap is striking. The personal connection has not yet been documented in the archive’s current holdings.
What can be said with confidence is that the period 1948 to 1954 in New Mexico is documented across four civilian publication traditions and one newly declassified government file, and that the same investigator appears by name in all of them. The PURSUE programme has not yet released the second half of the relevant correspondence. The civilian record, sitting in the NHI Archive holdings, was already there.
